V.O.S

V.O.S is a South Korean R&B boy band formed in 2004. The group is composed of three members: Choi Hyun-joon, Kim Kyung-rok and Park Ji-heon. Park Ji-heon departed from the group in 2010, but returned in 2015 when the group signed with Happy Face Entertainment. From Wikipedia (https://en.wikipedia.org/wiki/V.O.S_(...) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/b...)